Scolecite and Fayalite Physical Properties

Scolecite

Fayalite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.20-2.234.392

1 7.18

1.5 Fracture

Irregular/uneven, UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Uneven

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

Perfect on {110} and {1 1 0}

{010} moderate, {100} imperfect

1.7 Mohs Hardness

5-5.56.5-7

2 10

1.8 Chemical Composition

CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.

Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Scolecite and Fayalite Chemical Formula

While comparing Scolecite and Fayalite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Scolecite and Fayalite chemical formula.

Chemical formula of Scolecite- CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.
Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Scolecite and Fayalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scolecite and Fayalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scolecite and Fayalite Optical Properties during the identification of gemstone. Specific gravity of Scolecite is 4.392 whereas that of Fayalite is 4.392.